Home / 30,348,690.77-45,537,983.27-14,172,291.03

Finding the Fourth Proportional to 30,348,690.77, 45,537,983.27 and 14,172,291.03

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Solution

The fourth proportional to 30,348,690.77, 45,537,983.27 and 14,172,291.03 is: 21,265,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,690.77 : 45,537,983.27 = 14,172,291.03 : x
  2. Step 2: Convert to fraction form
    30,348,690.77/45,537,983.27 = 14,172,291.03/x
  3. Step 3: Cross multiply
    30,348,690.77x = 45,537,983.27 × 14,172,291.03
  4. Step 4: Simplify right side
    30,348,690.77x = 645,377,551,926,429.38
  5. Step 5: Solve for x
    x = 645,377,551,926,429.38/30,348,690.77
  6. Step 6: Final answer
    x = 21,265,416.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.